An electrical wiring interconnect system (EWIS) is the wiring system and components (such as bundle clamps, wire splices, etc.) for a complex system. The term originated in the aviation …

Sep 4, 2021 · Similar wiring design in the B737 NG model was certified in the year 1997, so the EWIS (Electrical Wiring Interconnection System) regulation that came in the year 2007 does …

(i) EWIS must be designed and installed with adequate physical separation between the EWIS and flight or other mechanical control systems cables and associated system components, so …

Mar 1, 2023 · In a physical sense, EWIS is the central nervous system of an aircraft. It conveys information about altitude, attitude, flight speed, and many other data points from sensor …

affecting the 737 MAX. The FAA’s intent is to assure the global community that the 737 MAX is safe to operate and meets FAA certification standards. This report contains details of the …

1 MCAS is an extension of the Boeing 737 speed trim system. It was designed to improve airplane handling characteristics and decrease pitch-up tendencies at elevated angles of …

Apr 16, 2021 · Operators also must spend up to 200 work hours per aircraft modifying wire bundles that do not meet electrical wiring interconnection system (EWIS) separation standards …

Aircraft that are more than 20 years old are twice as likely to have EWIS failures than newer platforms. Many of these failure events lead to emergency landings or grounding of the aircraft …

Live-wire testing of aircraft EWIS during flight is now possible and can detect intermittent faults that cannot be located during maintenance on the ground. Arc Fault Circuit Interrupter …

Definition Commonly used in North America; is equivalent to the term "electrical wiring" used elsewhere. Related Articles Airworthiness Continuing Airworthiness Check.